tom failed the english final?he was ten minutes late for the final exam that's too badbut he______ his roommate to wake him up.should have asked would have asked must have asked may have asked
来源:学生作业帮助网 编辑:作业帮 时间:2024/10/06 20:42:31
tom failed the english final?he was ten minutes late for the final exam that's too badbut he______ his roommate to wake him up.should have asked would have asked must have asked may have asked
tom failed the english final?he was ten minutes late for the final exam that's too bad
but he______ his roommate to wake him up.
should have asked would have asked must have asked may have asked
tom failed the english final?he was ten minutes late for the final exam that's too badbut he______ his roommate to wake him up.should have asked would have asked must have asked may have asked
A 但是他应该让他的同为把他叫起来的
must have v-ed 表示推测过去某事“一定”发生了.
may / might have v-ed 表示推测过去某事“也许”发生了.may 比 might 表示的可能性在说话人看来稍大些.
ought to / should have v-ed 用于对已发生的情况表示“责备”、“不满”,表示“本应该…”
A 本应该做却没做,他本应该叫室友喊他起床的!
b it 作形式主语,that he failed the final exam. 做真正主语只有it 能够作形式主语 It is adj. that B. It it 作形式主语。真正